708 lines
23 KiB
PHP
708 lines
23 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Authorize an OAuth request token
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category API
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2010-2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* Authorize an OAuth request token
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*
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* @category API
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class ApiOAuthAuthorizeAction extends ApiOAuthAction
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{
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var $oauthTokenParam;
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var $reqToken;
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var $callback;
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var $app;
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var $nickname;
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var $password;
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var $store;
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/**
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* Is this a read-only action?
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*
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* @return boolean false
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*/
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function isReadOnly($args)
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{
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return false;
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}
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function prepare(array $args = array())
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{
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parent::prepare($args);
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$this->nickname = $this->trimmed('nickname');
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$this->password = $this->arg('password');
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$this->oauthTokenParam = $this->arg('oauth_token');
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$this->mode = $this->arg('mode');
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$this->store = new ApiGNUsocialOAuthDataStore();
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try {
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$this->app = $this->store->getAppByRequestToken($this->oauthTokenParam);
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} catch (Exception $e) {
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$this->clientError($e->getMessage());
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}
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return true;
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}
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/**
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* Handle input, produce output
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*
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* Switches on request method; either shows the form or handles its input.
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*
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* @param array $args $_REQUEST data
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*
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* @return void
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*/
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function handle()
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{
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parent::handle();
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$this->handlePost();
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} else {
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// Make sure a oauth_token parameter was provided
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if (empty($this->oauthTokenParam)) {
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// TRANS: Client error given when no oauth_token was passed to the OAuth API.
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$this->clientError(_('No oauth_token parameter provided.'));
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} else {
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// Check to make sure the token exists
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$this->reqToken = $this->store->getTokenByKey($this->oauthTokenParam);
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if (empty($this->reqToken)) {
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// TRANS: Client error given when an invalid request token was passed to the OAuth API.
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$this->clientError(_('Invalid request token.'));
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} else {
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// Check to make sure we haven't already authorized the token
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if ($this->reqToken->state != 0) {
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// TRANS: Client error given when an invalid request token was passed to the OAuth API.
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$this->clientError(_('Request token already authorized.'));
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}
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}
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}
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// make sure there's an app associated with this token
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if (empty($this->app)) {
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// TRANS: Client error given when an invalid request token was passed to the OAuth API.
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$this->clientError(_('Invalid request token.'));
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}
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$name = $this->app->name;
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$this->showForm();
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}
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}
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function handlePost()
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{
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// check session token for CSRF protection.
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$this->showForm(
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// TRANS: Form validation error in API OAuth authorisation because of an invalid session token.
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_('There was a problem with your session token. Try again, please.'));
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return;
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}
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// check creds
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$user = null;
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if (!common_logged_in()) {
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// XXX Force credentials check?
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// @fixme this should probably use a unified login form handler
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$user = null;
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if (Event::handle('StartOAuthLoginCheck', array($this, &$user))) {
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$user = common_check_user($this->nickname, $this->password);
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}
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Event::handle('EndOAuthLoginCheck', array($this, &$user));
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if (empty($user)) {
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// TRANS: Form validation error given when an invalid username and/or password was passed to the OAuth API.
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$this->showForm(_("Invalid nickname / password!"));
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return;
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}
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} else {
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$user = common_current_user();
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}
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// fetch the token
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$this->reqToken = $this->store->getTokenByKey($this->oauthTokenParam);
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assert(!empty($this->reqToken));
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if ($this->arg('allow')) {
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// mark the req token as authorized
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try {
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$this->store->authorize_token($this->oauthTokenParam);
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} catch (Exception $e) {
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$this->serverError($e->getMessage());
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}
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common_log(
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LOG_INFO,
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sprintf(
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"API OAuth - User %d (%s) has authorized request token %s for OAuth application %d (%s).",
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$user->id,
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$user->nickname,
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$this->reqToken->tok,
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$this->app->id,
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$this->app->name
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)
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);
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$tokenAssoc = new Oauth_token_association();
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$tokenAssoc->profile_id = $user->id;
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$tokenAssoc->application_id = $this->app->id;
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$tokenAssoc->token = $this->oauthTokenParam;
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$tokenAssoc->created = common_sql_now();
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$result = $tokenAssoc->insert();
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if (!$result) {
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common_log_db_error($tokenAssoc, 'INSERT', __FILE__);
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// TRANS: Server error displayed when a database action fails.
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$this->serverError(_('Database error inserting oauth_token_association.'));
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}
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$callback = $this->getCallback();
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if (!empty($callback) && $this->reqToken->verified_callback != 'oob') {
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$targetUrl = $this->buildCallbackUrl(
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$callback,
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array(
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'oauth_token' => $this->oauthTokenParam,
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'oauth_verifier' => $this->reqToken->verifier // 1.0a
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)
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);
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common_log(LOG_INFO, "Redirecting to callback: $targetUrl");
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// Redirect the user to the provided OAuth callback
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common_redirect($targetUrl, 303);
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} elseif ($this->app->type == 2) {
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// Strangely, a web application seems to want to do the OOB
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// workflow. Because no callback was specified anywhere.
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common_log(
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LOG_WARNING,
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sprintf(
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"API OAuth - No callback provided for OAuth web client ID %s (%s) "
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. "during authorization step. Falling back to OOB workflow.",
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$this->app->id,
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$this->app->name
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)
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);
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}
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// Otherwise, inform the user that the rt was authorized
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$this->showAuthorized();
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} else if ($this->arg('cancel')) {
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common_log(
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LOG_INFO,
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sprintf(
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"API OAuth - User %d (%s) refused to authorize request token %s for OAuth application %d (%s).",
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$user->id,
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$user->nickname,
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$this->reqToken->tok,
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$this->app->id,
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$this->app->name
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)
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);
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try {
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$this->store->revoke_token($this->oauthTokenParam, 0);
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} catch (Exception $e) {
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$this->ServerError($e->getMessage());
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}
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$callback = $this->getCallback();
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// If there's a callback available, inform the consumer the user
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// has refused authorization
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if (!empty($callback) && $this->reqToken->verified_callback != 'oob') {
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$targetUrl = $this->buildCallbackUrl(
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$callback,
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array(
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'oauth_problem' => 'user_refused',
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)
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);
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common_log(LOG_INFO, "Redirecting to callback: $targetUrl");
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// Redirect the user to the provided OAuth callback
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common_redirect($targetUrl, 303);
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}
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// otherwise inform the user that authorization for the rt was declined
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$this->showCanceled();
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} else {
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// TRANS: Client error given on when invalid data was passed through a form in the OAuth API.
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$this->clientError(_('Unexpected form submission.'));
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}
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}
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/**
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* Show body - override to add a special CSS class for the authorize
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* page's "desktop mode" (minimal display)
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*
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* Calls template methods
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*
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* @return nothing
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*/
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function showBody()
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{
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$bodyClasses = array();
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if ($this->desktopMode()) {
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$bodyClasses[] = 'oauth-desktop-mode';
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}
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if (common_current_user()) {
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$bodyClasses[] = 'user_in';
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}
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$attrs = array('id' => strtolower($this->trimmed('action')));
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if (!empty($bodyClasses)) {
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$attrs['class'] = implode(' ', $bodyClasses);
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}
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$this->elementStart('body', $attrs);
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$this->elementStart('div', array('id' => 'wrap'));
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if (Event::handle('StartShowHeader', array($this))) {
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$this->showHeader();
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Event::handle('EndShowHeader', array($this));
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}
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$this->showCore();
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if (Event::handle('StartShowFooter', array($this))) {
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$this->showFooter();
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Event::handle('EndShowFooter', array($this));
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}
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$this->elementEnd('div');
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$this->showScripts();
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$this->elementEnd('body');
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}
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function showForm($error=null)
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{
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$this->error = $error;
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$this->showPage();
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}
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function showScripts()
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{
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parent::showScripts();
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if (!common_logged_in()) {
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$this->autofocus('nickname');
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}
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}
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/**
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* Title of the page
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*
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* @return string title of the page
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*/
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function title()
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{
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// TRANS: Title for a page where a user can confirm/deny account access by an external application.
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return _('An application would like to connect to your account');
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}
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/**
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* Shows the authorization form.
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*
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* @return void
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*/
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function showContent()
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{
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$this->elementStart('form', array('method' => 'post',
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'id' => 'form_apioauthauthorize',
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'class' => 'form_settings',
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'action' => common_local_url('ApiOAuthAuthorize')));
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$this->elementStart('fieldset');
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$this->element('legend', array('id' => 'apioauthauthorize_allowdeny'),
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// TRANS: Fieldset legend.
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_('Allow or deny access'));
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$this->hidden('token', common_session_token());
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$this->hidden('mode', $this->mode);
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$this->hidden('oauth_token', $this->oauthTokenParam);
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$this->hidden('oauth_callback', $this->callback);
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
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$this->elementStart('p');
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if (!empty($this->app->icon) && $this->app->name != 'anonymous') {
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$this->element('img', array('src' => $this->app->icon));
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}
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$access = ($this->app->access_type & Oauth_application::$writeAccess) ?
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'access and update' : 'access';
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if ($this->app->name == 'anonymous') {
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// Special message for the anonymous app and consumer.
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// TRANS: User notification of external application requesting account access.
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// TRANS: %3$s is the access type requested (read-write or read-only), %4$s is the StatusNet sitename.
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$msg = _('An application would like the ability ' .
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'to <strong>%3$s</strong> your %4$s account data. ' .
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'You should only give access to your %4$s account ' .
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'to third parties you trust.');
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} else {
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// TRANS: User notification of external application requesting account access.
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// TRANS: %1$s is the application name requesting access, %2$s is the organisation behind the application,
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// TRANS: %3$s is the access type requested, %4$s is the StatusNet sitename.
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$msg = _('The application <strong>%1$s</strong> by ' .
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'<strong>%2$s</strong> would like the ability ' .
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'to <strong>%3$s</strong> your %4$s account data. ' .
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'You should only give access to your %4$s account ' .
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'to third parties you trust.');
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}
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$this->raw(sprintf($msg,
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$this->app->name,
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$this->app->organization,
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$access,
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common_config('site', 'name')));
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$this->elementEnd('p');
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$this->elementEnd('li');
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$this->elementEnd('ul');
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// quickie hack
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$button = false;
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if (!common_logged_in()) {
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if (Event::handle('StartOAuthLoginForm', array($this, &$button))) {
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$this->elementStart('fieldset');
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// TRANS: Fieldset legend.
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$this->element('legend', null, _m('LEGEND','Account'));
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
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// TRANS: Field label on OAuth API authorisation form.
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$this->input('nickname', _('Nickname'));
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$this->elementEnd('li');
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$this->elementStart('li');
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// TRANS: Field label on OAuth API authorisation form.
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$this->password('password', _('Password'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementEnd('fieldset');
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}
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Event::handle('EndOAuthLoginForm', array($this, &$button));
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}
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$this->element('input', array('id' => 'cancel_submit',
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'class' => 'submit submit form_action-primary',
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'name' => 'cancel',
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'type' => 'submit',
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// TRANS: Button text that when clicked will cancel the process of allowing access to an account
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// TRANS: by an external application.
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'value' => _m('BUTTON','Cancel')));
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$this->element('input', array('id' => 'allow_submit',
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'class' => 'submit submit form_action-secondary',
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'name' => 'allow',
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'type' => 'submit',
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// TRANS: Button text that when clicked will allow access to an account by an external application.
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'value' => $button ? $button : _m('BUTTON','Allow')));
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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}
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/**
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* Instructions for using the form
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*
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* For "remembered" logins, we make the user re-login when they
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* try to change settings. Different instructions for this case.
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*
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* @return void
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*/
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function getInstructions()
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{
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// TRANS: Form instructions.
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return _('Authorize access to your account information.');
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}
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/**
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* A local menu
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*
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* Shows different login/register actions.
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*
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* @return void
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*/
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function showLocalNav()
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{
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// NOP
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}
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/*
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* Checks to see if a the "mode" parameter is present in the request
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* and set to "desktop". If it is, the page is meant to be displayed in
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* a small frame of another application, and we should suppress the
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* header, aside, and footer.
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*/
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function desktopMode()
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{
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if (isset($this->mode) && $this->mode == 'desktop') {
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return true;
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} else {
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return false;
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}
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}
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/*
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* Override - suppress output in "desktop" mode
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*/
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function showHeader()
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{
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if ($this->desktopMode() == false) {
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parent::showHeader();
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}
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}
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/*
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* Override - suppress output in "desktop" mode
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*/
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function showAside()
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{
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if ($this->desktopMode() == false) {
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parent::showAside();
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}
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}
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/*
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* Override - suppress output in "desktop" mode
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*/
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function showFooter()
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{
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if ($this->desktopMode() == false) {
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parent::showFooter();
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}
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}
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/**
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* Show site notice.
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*
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* @return nothing
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*/
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function showSiteNotice()
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{
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// NOP
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}
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/**
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* Show notice form.
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*
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* Show the form for posting a new notice
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*
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* @return nothing
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*/
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function showNoticeForm()
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{
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// NOP
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}
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/*
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* Show a nice message confirming the authorization
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* operation was canceled.
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*
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* @return nothing
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*/
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function showCanceled()
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{
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$info = new InfoAction(
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// TRANS: Header for user notification after revoking OAuth access to an application.
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_('Authorization canceled.'),
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sprintf(
|
|
// TRANS: User notification after revoking OAuth access to an application.
|
|
// TRANS: %s is an OAuth token.
|
|
_('The request token %s has been revoked.'),
|
|
$this->oauthTokenParam
|
|
)
|
|
);
|
|
|
|
$info->showPage();
|
|
}
|
|
|
|
/*
|
|
* Show a nice message that the authorization was successful.
|
|
* If the operation is out-of-band, show a pin.
|
|
*
|
|
* @return nothing
|
|
*/
|
|
function showAuthorized()
|
|
{
|
|
$title = null;
|
|
$msg = null;
|
|
|
|
if ($this->app->name == 'anonymous') {
|
|
|
|
$title =
|
|
// TRANS: Title of the page notifying the user that an anonymous client application was successfully authorized to access the user's account with OAuth.
|
|
_('You have successfully authorized the application');
|
|
|
|
$msg =
|
|
// TRANS: Message notifying the user that an anonymous client application was successfully authorized to access the user's account with OAuth.
|
|
_('Please return to the application and enter the following security code to complete the process.');
|
|
|
|
} else {
|
|
|
|
$title = sprintf(
|
|
// TRANS: Title of the page notifying the user that the client application was successfully authorized to access the user's account with OAuth.
|
|
// TRANS: %s is the authorised application name.
|
|
_('You have successfully authorized %s'),
|
|
$this->app->name
|
|
);
|
|
|
|
$msg = sprintf(
|
|
// TRANS: Message notifying the user that the client application was successfully authorized to access the user's account with OAuth.
|
|
// TRANS: %s is the authorised application name.
|
|
_('Please return to %s and enter the following security code to complete the process.'),
|
|
$this->app->name
|
|
);
|
|
|
|
}
|
|
|
|
if ($this->reqToken->verified_callback == 'oob') {
|
|
$pin = new ApiOAuthPinAction(
|
|
$title,
|
|
$msg,
|
|
$this->reqToken->verifier,
|
|
$this->desktopMode()
|
|
);
|
|
$pin->showPage();
|
|
} else {
|
|
// NOTE: This would only happen if an application registered as
|
|
// a web application but sent in 'oob' for the oauth_callback
|
|
// parameter. Usually web apps will send in a callback and
|
|
// not use the pin-based workflow.
|
|
|
|
$info = new InfoAction(
|
|
$title,
|
|
$msg,
|
|
$this->oauthTokenParam,
|
|
$this->reqToken->verifier
|
|
);
|
|
|
|
$info->showPage();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Figure out what the callback should be
|
|
*/
|
|
function getCallback()
|
|
{
|
|
$callback = null;
|
|
|
|
// Return the verified callback if we have one
|
|
if ($this->reqToken->verified_callback != 'oob') {
|
|
|
|
$callback = $this->reqToken->verified_callback;
|
|
|
|
// Otherwise return the callback that was provided when
|
|
// registering the app
|
|
if (empty($callback)) {
|
|
|
|
common_debug(
|
|
"No verified callback found for request token, using application callback: "
|
|
. $this->app->callback_url,
|
|
__FILE__
|
|
);
|
|
|
|
$callback = $this->app->callback_url;
|
|
}
|
|
}
|
|
|
|
return $callback;
|
|
}
|
|
|
|
/*
|
|
* Properly format the callback URL and parameters so it's
|
|
* suitable for a redirect in the OAuth dance
|
|
*
|
|
* @param string $url the URL
|
|
* @param array $params an array of parameters
|
|
*
|
|
* @return string $url a URL to use for redirecting to
|
|
*/
|
|
function buildCallbackUrl($url, $params)
|
|
{
|
|
foreach ($params as $k => $v) {
|
|
$url = $this->appendQueryVar(
|
|
$url,
|
|
OAuthUtil::urlencode_rfc3986($k),
|
|
OAuthUtil::urlencode_rfc3986($v)
|
|
);
|
|
}
|
|
|
|
return $url;
|
|
}
|
|
|
|
/*
|
|
* Append a new query parameter after any existing query
|
|
* parameters.
|
|
*
|
|
* @param string $url the URL
|
|
* @prarm string $k the parameter name
|
|
* @param string $v value of the paramter
|
|
*
|
|
* @return string $url the new URL with added parameter
|
|
*/
|
|
function appendQueryVar($url, $k, $v) {
|
|
$url = preg_replace('/(.*)(\?|&)' . $k . '=[^&]+?(&)(.*)/i', '$1$2$4', $url . '&');
|
|
$url = substr($url, 0, -1);
|
|
if (strpos($url, '?') === false) {
|
|
return ($url . '?' . $k . '=' . $v);
|
|
} else {
|
|
return ($url . '&' . $k . '=' . $v);
|
|
}
|
|
}
|
|
}
|